80859800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 225610560

約数和(自身を除く): 144750760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 98, 100, 140, 148, 175, 185, 196, 200, 223, 245, 259, 280, 296, 350, 370, 392, 446, 490, 518, 700, 740, 892, 925, 980, 1036, 1115, 1225, 1295, 1400, 1480, 1561, 1784, 1813, 1850, 1960, 2072, 2230, 2450, 2590, 3122, 3626, 3700, 4460, 4900, 5180, 5575, 6244, 6475, 7252, 7400, 7805, 8251, 8920, 9065, 9800, 10360, 10927, 11150, 12488, 12950, 14504, 15610, 16502, 18130, 21854, 22300, 25900, 31220, 33004, 36260, 39025, 41255, 43708, 44600, 45325, 51800, 54635, 57757, 62440, 66008, 72520, 78050, 82510, 87416, 90650, 109270, 115514, 156100, 165020, 181300, 206275, 218540, 231028, 273175, 288785, 312200, 330040, 362600, 404299, 412550, 437080, 462056, 546350, 577570, 808598, 825100, 1092700, 1155140, 1443925, 1617196, 1650200, 2021495, 2185400, 2310280, 2887850, 3234392, 4042990, 5775700, 8085980, 10107475, 11551400, 16171960, 20214950, 40429900, 80859800]

約数ペア:

[(1, 80859800), (2, 40429900), (4, 20214950), (5, 16171960), (7, 11551400), (8, 10107475), (10, 8085980), (14, 5775700), (20, 4042990), (25, 3234392), (28, 2887850), (35, 2310280), (37, 2185400), (40, 2021495), (49, 1650200), (50, 1617196), (56, 1443925), (70, 1155140), (74, 1092700), (98, 825100), (100, 808598), (140, 577570), (148, 546350), (175, 462056), (185, 437080), (196, 412550), (200, 404299), (223, 362600), (245, 330040), (259, 312200), (280, 288785), (296, 273175), (350, 231028), (370, 218540), (392, 206275), (446, 181300), (490, 165020), (518, 156100), (700, 115514), (740, 109270), (892, 90650), (925, 87416), (980, 82510), (1036, 78050), (1115, 72520), (1225, 66008), (1295, 62440), (1400, 57757), (1480, 54635), (1561, 51800), (1784, 45325), (1813, 44600), (1850, 43708), (1960, 41255), (2072, 39025), (2230, 36260), (2450, 33004), (2590, 31220), (3122, 25900), (3626, 22300), (3700, 21854), (4460, 18130), (4900, 16502), (5180, 15610), (5575, 14504), (6244, 12950), (6475, 12488), (7252, 11150), (7400, 10927), (7805, 10360), (8251, 9800), (8920, 9065)]